import java.util.*;

public class code1 {
    //简写单词
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while(in.hasNext()) {
            char ch = in.next().charAt(0);
            if(ch>='A'&&ch<='Z') System.out.print(ch);
            else System.out.print((char)(ch-32));//注意这里需要转为char
        }
    }
}
